PB50 Datasheet, PDF (3/5 Pages) Cirrus Logic – POWER BOOSTER AMPLIFIER

Product Innova tionFrom
PB50
POWER DERATING
40
30
20
10
CURRENT LIMIT
2
R
CL
=
.33Ω
1.5
R_CL = .27Ω
1
R
CL
=
.68Ω
.5
R
CL
=
1.5Ω
0
–25 0 25 50 75 100 125
CASE TEMPERATURE, T_C (°C)
SMALL SIGNAL RESPONSE
80
0
60
–45
40
–90
20
–135
0
–180
100 1K 10K 100K 1M 10M
FREQUENCY, F (Hz)
QUIESCENT CURRENT
20
Vs = ±100V
15
Vs = ±60V
10
Vs = ±30V
0
–25 0 25 50 75 100 125
CASE TEMPERATURE, T_C (°C)
SMALL SIGNAL RESPONSE
30
AV_CL = 25
20
AV_CL = 10
10
AV_CL = 3
0
C_C = 22pF
–10
1K
10K 100K 1M
10M
FREQUENCY, F (Hz)
INPUT OFFSET VOLTAGE
.5
0
TEMP.
–.5
5
0
–25 0 25 50 75 100 125
CASE TEMPERATURE, T_C (°C)
POWER RESPONSE
360
180
90
45
22
11
1K
3K 10K 30K 100K 300K 1M
FREQUENCY, F (Hz)
PB50U
-1
SUPPLY
-1.5
–25 0 25 50 75 100 125
CASE TEMPERATURE, T_C ( C) OR V_S (V)
HARMONIC DISTORTION
1
NO DRIVER
V_S = ±60V
.3 ^VO ^{= 80V}P-P
R_L = 25Ω
.1
.03
R_L = 1KΩ
.01
300
1K
3K
10K 30K
FREQUENCY, F (Hz)
OUTPUT VOLTAGE SWING
10
8
6 _{VO –}
4
V_O +
2
.01 .02
.1 .2
12
OUTPUT CURRENT, I_O (A)
SMALL SIGNAL RESPONSE
0
AV_CL = 3
–45 AV_CL = 10
AV_CL = 25
–90
–135
C_C = 22pF
–180
1K
10K 100K 1M 10M
FREQUENCY, F (Hz)
SLEW RATE VS. TEMP.
400
300
+SLEW
200
–SLEW
100
0
–25 0 25 50 75 100 125
CASE TEMPERATURE, T_C (°C)
HARMONIC DISTORTION
.1
DRIVER = TL070
V_S = ±60V
.03 ^{VO = 95VP-P}
R_L = 25Ω
.01
.003
.001
300
R_L = 1KΩ
1K
3K
10K
30K
FREQUENCY, F (Hz)
3